EP1298904A3 - Méthode pour réduire le bruit de fond et améliorer des performances dans des conférences de voix à travers des réseaux par paquets - Google Patents

Méthode pour réduire le bruit de fond et améliorer des performances dans des conférences de voix à travers des réseaux par paquets Download PDF

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Publication number
EP1298904A3
EP1298904A3 EP02021559A EP02021559A EP1298904A3 EP 1298904 A3 EP1298904 A3 EP 1298904A3 EP 02021559 A EP02021559 A EP 02021559A EP 02021559 A EP02021559 A EP 02021559A EP 1298904 A3 EP1298904 A3 EP 1298904A3
Authority
EP
European Patent Office
Prior art keywords
noise reduction
background noise
performance improvement
voice conferencing
conferencing over
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02021559A
Other languages
German (de)
English (en)
Other versions
EP1298904A2 (fr
Inventor
Florian Patrick Nierhaus
Philippe Vandermersch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Communications Inc
Original Assignee
Siemens Information and Communication Networks Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Information and Communication Networks Inc filed Critical Siemens Information and Communication Networks Inc
Publication of EP1298904A2 publication Critical patent/EP1298904A2/fr
Publication of EP1298904A3 publication Critical patent/EP1298904A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5063—Centrally initiated conference, i.e. conference server dials participants

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
EP02021559A 2001-09-26 2002-09-26 Méthode pour réduire le bruit de fond et améliorer des performances dans des conférences de voix à travers des réseaux par paquets Withdrawn EP1298904A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US965375 2001-09-26
US09/965,375 US7428223B2 (en) 2001-09-26 2001-09-26 Method for background noise reduction and performance improvement in voice conferencing over packetized networks

Publications (2)

Publication Number Publication Date
EP1298904A2 EP1298904A2 (fr) 2003-04-02
EP1298904A3 true EP1298904A3 (fr) 2005-02-02

Family

ID=25509889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02021559A Withdrawn EP1298904A3 (fr) 2001-09-26 2002-09-26 Méthode pour réduire le bruit de fond et améliorer des performances dans des conférences de voix à travers des réseaux par paquets

Country Status (2)

Country Link
US (2) US7428223B2 (fr)
EP (1) EP1298904A3 (fr)

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US7782802B2 (en) * 2007-12-26 2010-08-24 Microsoft Corporation Optimizing conferencing performance
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WO2000072560A1 (fr) * 1999-05-21 2000-11-30 Truechat, Inc. Pont de teleconference avec melangeur au point de bord

Also Published As

Publication number Publication date
US7428223B2 (en) 2008-09-23
US20030063572A1 (en) 2003-04-03
US20030063573A1 (en) 2003-04-03
EP1298904A2 (fr) 2003-04-02
US7349352B2 (en) 2008-03-25

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